Chaetozone carpenteri McIntosh, 1911 from the Mediterranean Sea and records of other bi-tentaculate Cirratulids

Many species of Cirratulidae have been recorded from the Mediterranean Sea since the descriptions and figures of the Naples fauna in one of the first comprehensive studies of polychaetes by delle Chiaje, 1823–30. This original publication included only multi-tentaculate cirratulids and what we would now identify as Cirriformia and Cirratulus. Since delle Chiaje’s publication, 25 bi-tentaculate taxa have been recorded from the Mediterranean. During recent sampling programmes Chaetozone carpenteri McIntosh, 1911, a bi-tentaculate cirratulid, has been recorded from several Mediterranean sites and is redescribed. All records of C. setosa will need to be re-examined as they may have been misidentified.